ExamHabit
Practise free

JEE Main 2023 · 25 Jan · Shift 1

JEE Main 2023 Mathematics question on Binomial Theorem

If ara_r is the coefficient of x10−rx^{10-r} in the Binomial expansion of (1+x)10(1+x)^{10}, then ∑r=110r3(arar−1)2\displaystyle\sum_{r=1}^{10} r^3 \left(\dfrac{a_r}{a_{r-1}}\right)^2 is equal to
  1. A.
    1210
  2. B.
    5445
  3. C.
    3025
  4. D.
    4895
Show answer

Correct option: A

[JEE Main 2023 · 25 Jan · Shift 1]

Practise Binomial Theorem the way it is asked

A timed set of real JEE Main Binomial Theorem questions, graded as the exam grades. No sign-up.

Start a Binomial Theorem test

More: all JEE Main Binomial Theorem questions · JEE Main 2023 · Mathematics chapter list